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Programmable Gain Amplifier
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Shreyas Kulkarni
Dec 21, 2004, 7:43:41 PM12/21/04
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can somebody suggest me a low noise, faily low cost, programmable gain
wideband amplifier with bandwidth>=20MHz, gain varying from 1 to at
least 10 and with high CMRR?
wideband amplifier with bandwidth>=20MHz, gain varying from 1 to at
least 10 and with high CMRR?
any further links/tips/approaches will be highly appreciated.
TIA,
Shreyas Kulkarni
Shreyas Kulkarni
Dec 21, 2004, 8:06:56 PM12/21/04
to
John Hudak
Jan 10, 2005, 10:52:11 AM1/10/05
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I've been away from this area for a while, but as a general rule, I've
always found certain manufactures 'Application Guides' matrix of their
products useful in comparing operational characteristics of their
devices...I'd look at TI, Analog Devices, and National for starters...
You can get a high CMMR by inserting a unity gain WB amp in front of the
programmable device... IF the used of the UGWBA does not upset the
stability of what you are trying to do.
John
always found certain manufactures 'Application Guides' matrix of their
products useful in comparing operational characteristics of their
devices...I'd look at TI, Analog Devices, and National for starters...
You can get a high CMMR by inserting a unity gain WB amp in front of the
programmable device... IF the used of the UGWBA does not upset the
stability of what you are trying to do.
John
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